The suspension system which is mainly rely on solid strap, route complex Backpackers is difficult to master the balance.
它的背负系统主要是靠厚实的肩带，路线复杂时背包者比较难掌握平衡。
The suspension system which is mainly rely on solid strap, route complex Backpackers is difficult to master the balance.
它的背负系统主要是靠厚实的肩带，路线复杂时背包者比较难掌握平衡。
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